A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive.

Test your camera with the Camera app. Select Start , then choose Camera from your apps. If you're asked to allow access to the Camera, select Yes.If the camera works in the Camera app, the problem might be with the app you're trying to use.

Important: Office 2007 is no longer supported. Learn how to upgrade to a newer version.If you still need to install this version, you'll need an Office 2007 installation disc and a product key for the version you're trying to install.

In most cases, all you have to do to set up a scanner is to connect it to your device. Plug the USB cable from your scanner into an available USB port on your device, and turn the scanner on.

Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Learn about file sharing over a network in Windows. Note: This article focuses on how to share files or folders over a Local Area Network (or LAN), such as connected computers within your home or workplace.If you are trying to find out how to share a file over the Internet, for example with a friend or family member, OneDrive provides easy ways to accomplish this.

Dynamic lock is a security feature that automatically locks your device when you are not around. It uses Bluetooth to pair with a phone, and locks the device when the Bluetooth signal drops below a certain level, indicating that you are no longer near your device.

Open Rewards dashboard. To earn points by searching with Bing on your mobile device, set Bing as your default search engine, use the Bing app, or use the Microsoft Launcher for Android app.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.